/// <summary>
/// Converte os dados de sort para serem usados pelo Lucene.
/// </summary>
/// <param name="sort"></param>
/// <param name="sortFields">Campos de ordenação adicionais</param>
/// <returns></returns>
private global::Lucene.Net.Search.Sort Convert(Sort sort, global::Lucene.Net.Search.SortField[] sortFields)
{
global::Lucene.Net.Search.Sort luceneSort;
var fields = new List <global::Lucene.Net.Search.SortField>();
if (sort == null && sortFields != null && sortFields.Length > 0)
{
fields.AddRange(sortFields);
}
if (sort != null && sort.Fields.Length > 0)
{
fields.AddRange(sort.Fields.Select(f => {
SchemeField field = null;
if (f.Name == "Rnd")
{
field = new SchemeField("Rnd", typeof(int), "Rnd", false, false);
}
else
{
field = _structRepository.GetSchemaField(f.Name);
}
Type fieldType = null;
if (field == null)
{
if (f.Name.EndsWith("Ticks"))
{
var name = f.Name.Substring(0, f.Name.Length - "Ticks".Length);
field = _structRepository.GetSchemaField(name);
if (field == null)
{
return(null);
}
fieldType = typeof(long);
}
else
{
return(null);
}
}
else
{
fieldType = field.Type;
}
return(new global::Lucene.Net.Search.SortField(f.Name, GetLuceneSortType(fieldType), f.Reverse));
}).Where(f => f != null));
}
if (fields.Count > 0)
{
luceneSort = new global::Lucene.Net.Search.Sort(fields.ToArray());
}
else
{
luceneSort = new global::Lucene.Net.Search.Sort();
}
return(luceneSort);
}
/// <summary>
/// Construtor padrão.
/// </summary>
/// <param name="query"></param>
/// <param name="filter"></param>
/// <param name="readerCreator"></param>
/// <param name="sort"></param>
/// <param name="options"></param>
/// <param name="dataRepository"></param>
/// <param name="structRepository"></param>
/// <param name="loadedHandle"></param>
internal SearchResult(global::Lucene.Net.Search.Query query, global::Lucene.Net.Search.Filter filter, Func <global::Lucene.Net.Index.IndexReader> readerCreator, global::Lucene.Net.Search.Sort sort, SearchOptions options, IDataRepository dataRepository, ISchemeRepository structRepository, EventHandler <SearchResultLoadEventArgs> loadedHandle)
{
_query = query;
_filter = filter;
_readerCreator = readerCreator;
_sort = sort;
_options = options;
_dataRepository = dataRepository;
_structRepository = structRepository;
_loadedHandle = loadedHandle;
}
/// <summary>
/// Realiza uma pesquisa no sistema.
/// </summary>
/// <param name="text"></param>
/// <param name="options"></param>
/// <param name="filters"></param>
/// <param name="sort"></param>
/// <returns></returns>
public ISearchResult Search(string text, FilterParameter[] filters, SearchOptions options, Sort sort)
{
Query query;
Filter filter;
global::Lucene.Net.Search.SortField[] sortFields;
text = RemoveAcent(text);
PrepareSearch(text, filters, options, out query, out filter, out sortFields);
global::Lucene.Net.Search.Sort luceneSort = Convert(sort, sortFields);
return(new SearchResult(query, filter, CreateReader, luceneSort, options, _dataRepository, _structRepository, (sender, e) => {
IncrementCountWords(text, filters);
}));
}
